Aroma diffuser



FIG. 1 is a front elevational view of the container portion of the aroma diffuser showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof, and

FIG. 7 is a front perspective view thereof.

FIG. 8 is a front elevational view of the electric diffuser portion of the aroma diffuser showing my new design;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a left side elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof, and

FIG. 14 is a front perspective view thereof.

FIG. 15 is a front elevational view of the aroma diffuser showing my new design; and,

FIG. 16 is a front perspective view thereof.

The broken lines depict environment that forms no part of the claimed design. 

CLAIM The ornamental design for an aroma diffuser, as shown and described. 